You're Reading a Free Preview
Jawaban: diketahui : s = 100 cm f = 20 cm ditanya : s' dijawab : 1/f = 1/s + 1/s' 1/20 = 1/100 + 1/s' 1/s' = 1/20 - 1/100 = 5/100 - 1/100 1/s' = 4/100 = 1/25 s' = 25 cm
Jawaban: Diketahui: s = 100 cm f = 20 cm Ditanya: s'=.... Penyelesaian: s'= s×f/s-f=100×20/100-20=2000/80= 25 cm maaf klo salah.. |